EasyStand Evolv Adult Sit To Stand Standing Frame (PNG50084) - Altimate Medical - Easy Stand | Thera wheelchair replacement parts, wheelchair cushions, power wheelchairs, wheelchair positioning products The EasyStand Evolv Large adult standing frame is a revolutionary stander for continued well being. Providing safe, dynamic leg motion and upper body exercise during standing therapy. As the leader in sit to stand standing, Altimate Medical has perfected the optimum standing position in the new EasyStand Evolv.